As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A VIBRATION WAS FELT IN THE NOSE AREA AT TOUCHDOWN. AFTER STOPPING ACFT ON THE RUNWAY IT WAS DISCOVERED THAT THE NOSEWHEEL WAS FLAT. INSPECTION OF THE NOSEWHEEL TUBE SHOWED A 2 INCH TEAR IN THE SIDE OF THE TUBE. THE TUBE HAD 1690 HOURS ON IT SINCE NEW AND 2 YEARS OLD.